Home / 259,802,765.14-358,527,786.16-155,380,819.72

Finding the Fourth Proportional to 259,802,765.14, 358,527,786.16 and 155,380,819.72

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Solution

The fourth proportional to 259,802,765.14, 358,527,786.16 and 155,380,819.72 is: 214,425,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,802,765.14 : 358,527,786.16 = 155,380,819.72 : x
  2. Step 2: Convert to fraction form
    259,802,765.14/358,527,786.16 = 155,380,819.72/x
  3. Step 3: Cross multiply
    259,802,765.14x = 358,527,786.16 × 155,380,819.72
  4. Step 4: Simplify right side
    259,802,765.14x = 55,708,341,305,937,672
  5. Step 5: Solve for x
    x = 55,708,341,305,937,672/259,802,765.14
  6. Step 6: Final answer
    x = 214,425,513.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.